Shakedown
来自Big Physics
Safin（讨论 | 贡献）2022年4月29日 (五) 00:20的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/shakedown ref] From the verb phrase shake down. An improvised bed would originally have…”的新页面）
wiktionary
From the verb phrase shake down. An improvised bed would originally have been made by shaking down straw.
